SAE AMS 4786J-2015 Gold-Palladium-Nickel Alloy Brazing Filler Metal High Temperature 70Au C 8 0Pd C 22Ni 1845 to 1915 (1007 to 1046 Solidus-Liquidus Range (UNS P00700).pdf

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1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref

2、rom, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2015 SAE InternationalAll rights reserved. No part of this publi

3、cation may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada)Tel: +1 724-776-4970 (out

4、side USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS4786JAEROSPACEMATERIAL SPECIFICATIONAMS4786 REV. JIssued 1968-11Cancelled 2007-08Revised 2

5、015-12Superseding AMS4786HGold-Palladium-Nickel Alloy, Brazing Filler Metal, High Temperature70Au 8.0Pd 22Ni1845 to 1915 F (1007 to 1046 C) Solidus-Liquidus Range(Composition similar to UNS P00700)RATIONALEAMS4786J incorporates the industry standard requirements of AWS A5.8M/A5.8 and is a Five Year

6、Review and update of this specification. 1. SCOPE1.1 FormThis specification covers a gold-palladium-nickel alloy in the form of wire, rod, sheet, strip, foil, pig, powder, shot, chips, preforms and a viscous mixture (paste) of the powder in a suitable binder.1.2 ApplicationThis filler metal has been

7、 used typically for joining corrosion and heat-resistant steels and alloys where corrosion and oxidation-resistant joints with good strength at elevated temperatures are required but usage is not limited to such applications.1.3 ClassificationFiller metal supplied to this specification is classified

8、 as follows:Class 1 Standard composition (AWS A5.8M/A5.8 BAu-6)Class 2 Supplementary composition controlWhere no class is specified, Class 1 shall apply.2. APPLICABLE DOCUMENTSThe issue of the following documents in effect on the date of the purchase order forms a part of this specification to the e

9、xtent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply.SAE INTERNATIONAL

10、AMS4786J Page 2 of 62.1 SAE PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org.AMS2222 Tolerances, Copper and Copper Alloy Sheet, Strip, and PlateAMS2224 Tolerances,

11、Copper and Copper Alloy Wire2.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM B214 Sieve Analysis of Granular Metal Powders2.3 AWS PublicationsAvailable from American Welding Society, 8

12、669 NW 36 Street, #130, Miami, FL 33166-6672, Tel: 1-800-443-9353 or 305-443-9353, www.aws.org.AWS A5.8M/A5.8 Specification for Filler Metals for Brazing and Braze Welding3. TECHNICAL REQUIREMENTS3.1 CompositionProducts shall meet the requirements of AWS A5.8 BAu-6 and the following:Table 1 - Compos

13、itionElement min maxGold 69.50 70.50Palladium 7.50 8.50Nickel 21.50 22.50Other Elements, total (3.1.1) - 0.153.1.1 Determination not required for routine acceptance.3.1.2 For Class 2, copper shall be limited to 0.06% maximum, carbon to 0.005% maximum, and the following elements shall be limited to 0

14、.002% maximum each; aluminum, cadmium, lead, magnesium, phosphorus, silicon, titanium, and zinc. The total of these elements shall not exceed 0.05% maximum.3.2 ConditionThe product shall be supplied as fabricated unless otherwise specified.3.2.1 PasteUnless otherwise specified by the purchaser, shal

15、l consist of 84 to 90% by weight powder in a suitable binder and shall not contain flux.3.2.1.1 Paste shall have a shelf life of not less than 6 months from date of manufacture; not more than thorough mixingshall be required to restore paste for use during that time.3.2.1.2 Paste without flux shall

16、leave no adherent residue when heated in a protective atmosphere to a temperature higher than 1000 F (538 C).SAE INTERNATIONAL AMS4786J Page 3 of 63.3 QualityThe product, as received by purchaser, shall be uniform in color, quality, and condition and free from foreign materials and from imperfection

17、s detrimental to its working qualities. Wire, rod, sheet, strip, and foil shall be clean, sound, bright, and free from slivers, splitting, ragged edges, damaged ends, and other injurious imperfections. Pig, powder, shot, and chips shall have a metallic luster.3.4 Sizes and TolerancesThe product shal

18、l be supplied in the following standard sizes and to the tolerances shown:3.4.1 Wire and Rod3.4.1.1 Nominal DiametersShall be as shown in Table 2.Table 2 - Standard diameter sizesInch Millimeters0.005 0.130.007 0.180.010 0.250.015 0.380.025 0.640.031 0.790.040 1.020.047 1.190.062 1.570.094 2.390.125

19、 3.180.175 4.440.188 4.780.225 5.720.250 6.353.4.1.2 Diameter Tolerances for Wire and RodWhen not specified by AWS A5.8, AMS2224 as applicable to refractory alloys.3.4.2 Sheet, Strip, and Foil3.4.2.1 Nominal ThicknessesShall be as shown in Table 3.Table 3 - Standard thicknessesInch Millimeters0.001

20、0.0250.0015 0.0380.002 0.050.003 0.080.004 0.100.005 0.130.006 0.150.008 0.200.010 0.250.014 0.360.020 0.510.030 0.76SAE INTERNATIONAL AMS4786J Page 4 of 63.4.2.2 TolerancesIn accordance with AWS A5.8, except that no roll shall weigh more than 75 pounds (34 kg).3.4.3 Powder3.4.3.1 Mesh Designations6

21、0, 100, 140, 200, and 325.3.4.3.2 Powder shall be supplied in accordance with the limits on particle size distribution shown in Table 4, unless some other distribution is specified. Tests shall be in accordance with ASTM B214.Table 4 - Particle size distributionMesh Designation U.S. Standard Sieve60

22、Through a No. 40 sieve - 100%Through a No. 60 sieve - 95% minimumThrough a No. 325 sieve - 10% maximum100 Through a No. 60 sieve - 100%Through a No. 100 sieve - 95% minimumThrough a No. 325 sieve - 15% maximum140C On a No. 100 sieve - 0.5% maximumOn a No. 140 sieve - 10% maximumThrough a No. 325 sie

23、ve - 20% maximum140F On a No. 100 sieve - 0.5% maximumOn a No. 140 sieve - 10% maximumThrough a No. 325 sieve - 55% maximum200 On a No. 140 sieve - 0.5% maximumOn a No. 200 sieve - 10% maximumThrough a No. 325 sieve - 65% maximum325 On a No. 200 sieve - 0.5% maximumOn a No. 325 sieve - 10% maximumTh

24、rough a No. 325 sieve - 90% minimum3.4.3.2.1 When a mesh designation is not specified, 140F shall be supplied.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe producer of the product shall supply all samples for producers tests and shall be responsible for the performance of all r

25、equired tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the product conforms to specified requirements.SAE INTERNATIONAL AMS4786J Page 5 of 64.2 Classification of Tests4.2.1 Acceptance TestsAll technical requirements, other than s

26、helf life of paste (3.2.1.1), are acceptance tests and shall be performed on each lot.4.2.2 Periodic TestsShelf life of paste (3.2.1.1) is a periodic test and shall be performed at a frequency selected by the producer unless frequency of testing is specified by purchaser.4.3 Sampling and Testing4.3.

27、1 CompositionOne sample shall be taken from each furnace charge.4.3.2 Properties Except Shelf Life of PasteOne sample from each lot.4.3.3 A lot shall be all product, other than powder or paste, which has been tested and found to conform to the composition requirements of AWS A5.8 and 3.1.1 when appl

28、icable, in the same temper and size, and presented for producers inspection at one time.4.3.4 A lot powder shall be a uniform blend of powder produced from one or more furnace charges, each meeting the requirements of this specification, and presented for producers inspection at one time.4.3.5 A lot

29、 of paste shall be that paste produced from a single lot of powder, combined with binder from the same manufacturing batch, and presented for producers inspection at one time.4.4 ReportsThe producer of the product shall furnish with each shipment a report showing the results of tests to determine co

30、nformance to the composition requirements and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, lot number or numbers, AMS4786J, form, size, and quantity.4.5 Resampling and RetestingNot applicable.5. PREPARATION FOR DELIVERY5.

31、1 Identification5.1.1 The product shall be identified as agreed upon by purchaser and producer.5.1.2 Each exterior container or package shall be permanently and legibly marked with not less than AMS4786J, lot number, form, manufacturers identification, nominal sizes, and weight.5.1.2.1 Each containe

32、r and package of paste shall also be marked with the date of manufacture.SAE INTERNATIONAL AMS4786J Page 6 of 65.2 Packaging5.2.1 The product shall be suitably wrapped, sealed, and boxed or otherwise packaged for protection against injury and contamination during shipment and under normal dry storag

33、e conditions.5.2.2 Packages of filler metal shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the filler metal to ensure carrier acceptance and safe delivery.6. AC

34、KNOWLEDGMENTA producer shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONSFiller metal not conforming to this specification or to modifications authorized by purchaser, will be subject to rejection.8. NOTES8.1 Revisio

35、n IndicatorA change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the do

36、cument, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only.8.2 This filler metal has an approximate solidus temperature of 1845 F (1007 C) and an approximate liquidus temperature of 1915 F (1046 C).8.3 Terms

37、used in AMS are clarified in ARP1917.8.4 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information.8.5 Purchase documents should specify not less than the following:AMS4786JClassForm and size of filler metal desiredQuantity of filler metal desired.PREPARED BY AMS COMMITTEE “F”